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Materials and Construction

Materials and Construction
The temperature at which new grains are formed in the metal is called the __________ temperature.

Recrystallisation
Lower critical
Eutectic
Upper critical

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Materials and Construction
Steel rods are used in reinforced concrete to increase its __________ strength.

Shear
None of these
Tensile
Compressive

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Materials and Construction
Carbon content in plain carbon steel is __________ percent.

0.1 to 0.15
0.85 to 1.2
0.65 to 0.80
0.35 to 0.45

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Materials and Construction
Brine solution is stored/treated in __________ lined vessels/pipes.

Rubber
Lead
Nickel
Glass

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Materials and Construction
Rotary driers are generally made of

Tin lined with refractory bricks
Mild steel
High silicon iron (14% Si)
Cast iron

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Materials and Construction
Addition of nickel to copper improves its

Strength
Hardness
Ductility
Machinability

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